DER-38 Datasheet, PDF (1/23 Pages) Power Integrations, Inc. – 2.4W Power Supply using LNK520P

Design Example Report
Title
2.4W Power Supply using LNK520P
Specification
Input: 85 – 265 VAC
Output: 5.0 V / 480 mA
Application Cell Phone Charger
Author
Power Integrations Applications Department
Document
Number
DER-38
Date
April 28, 2004
Revision
1.0
Summary and Features
• Low Cost, Low Component Count Design
• High Efficiency (> 70 %) at Full Load
• Accurate Output Voltage Regulation (using Opto-Coupler Feedback)
• Low Standby Consumption (< 250mW)
• Meets EMI Without Y-capacitor for Low Leakage
• Small Low Cost EE13 Transformer
• Universal input
The products and applications illustrated herein (including circuits external to the products and transformer
construction) may be covered by one or more U.S. and foreign patents or potentially by pending U.S. and foreign
patent applications assigned to Power Integrations. A complete list of Power Integrations’ patents may be found at
www.powerint.com.
Power Integrations
5245 Hellyer Avenue, San Jose, CA 95138 USA.
Tel: [phone] Fax: [phone]
www.powerint.com